AUTOMATIC DATA COLLECTION DEVICE, METHOD AND ARTICLE

• US 20110187507A1
• Filed: 01/27/2011
• Published: 08/04/2011
• Est. Priority Date: 07/28/2005
• Status: Abandoned Application

• Current Assignee: Intermec IP Corporation (Honeywell International Inc.)
• Original Assignee: Intermec IP Corporation (Honeywell International Inc.)
• Inventors: Lam, For Sander, Martinez, Rene, Nikitin, Pavel, Kodukula, Venkata, Reynolds, Andrew
• Application Number:
  US13/015,444
• Publication Number:
  US 20110187507A1
• Time in Patent Office: Days
• US Class Current: 340/10.1
• CPC Class Codes: G06K 19/0723 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs

Abstract

A radio frequency identification system comprises a radio-frequency identification substrate and an interrogator. In one embodiment, the radio-frequency identification substrate comprises a plurality of radio-frequency identification devices. In one embodiment, a controller on the substrate controls a first one of the plurality of radio-frequency identification devices based on a state of a second one of the plurality of radio-frequency identification devices. In one embodiment, an antenna system includes an S-shaped portion electrically coupled to an integrated circuit along a central portion of the S-shaped portion. Adjusting the parameters of the segments making up the S-shaped portion controls performance characteristics of a radio-frequency identification device.

Claims

1-38. -38. (canceled)

39. A method of operating a radio-frequency identification system, comprising:

receiving a first response signal from a first radio-frequency identification device of a radio-frequency identification tag in response to an interrogation signal;

when the first response signal is received, processing the first response signal;

determining whether a second response signal is received from a second radio-frequency identification device of the radio-frequency identification tag; and

when the first response signal is received and it is determined that the second response signal is not received, initiating error processing.

40. The method of claim 39 wherein the first response signal is in a first frequency range and the second response signal is in a second frequency range different from the first frequency range.

41. The method of claim 40 wherein the first frequency range is lower than the second frequency range.

42. The method of claim 39 wherein the interrogation signal comprises a first component signal at a first frequency and a second component signal at a second frequency different from the first frequency.

43. The method of claim 39 wherein determining whether the second response signal is received comprises determining whether the second response signal is received within a defined period of time of receipt of the first response signal.

44-86. -86. (canceled)